roust — 25 files, 8366 tokens, 160ms

Point a coding agent at roust and it gets one ranked, token-budgeted bundle of the relevant code back in a single call — no model, no embeddings, no API key, no training. Written in Rust.

$ npx roust-cli "connection pooling" $ cargo install roust
SWE-bench Lite — Agentless "% correct location"
# no model in the retrieval path
roust              FILE 92.3   FUNCTION 54.7   LINE 44.0
Agentless GPT-4o   FILE 69.7   FUNCTION 52.0   LINE 35.3
archex (BM25)      FILE 56.0   FUNCTION 38.3   LINE 25.7

# structural packing, eight languages, one mechanism
 python   javascript   typescript   java
 go       rust         c            c++
docs/
├── getting-started# install, CLI, agent integration
├── benchmarks# how every published number was measured
└── research# the campaign log, adoptions and nulls
MIT License github.com/narehart/roust